/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2006-2012  Gabor Csardi <csardi.gabor@gmail.com>
   334 Harvard st, Cambridge MA, 02139 USA
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc.,  51 Franklin Street, Fifth Floor, Boston, MA 
   02110-1301 USA

*/

#include <igraph.h>

int main() {
  
  igraph_t g;
  igraph_strvector_t names;

  igraph_i_set_attribute_table(&igraph_cattribute_table);
  
  /* save a simple ring graph */
  igraph_ring(&g, 10, IGRAPH_DIRECTED, 0 /* mutual */, 1 /* circular */);
  igraph_write_graph_pajek(&g, stdout);
  
  /* add some vertex attributes */
  igraph_strvector_init(&names, 0);
  igraph_strvector_add(&names, "A");
  igraph_strvector_add(&names, "B");
  igraph_strvector_add(&names, "C");
  igraph_strvector_add(&names, "D");
  igraph_strvector_add(&names, "E");
  igraph_strvector_add(&names, "F");
  igraph_strvector_add(&names, "G");
  igraph_strvector_add(&names, "H");
  igraph_strvector_add(&names, "I");
  igraph_strvector_add(&names, "J");
  SETVASV(&g, "id", &names);
  igraph_strvector_destroy(&names);

  /* save the graph with vertex names */
  igraph_write_graph_pajek(&g, stdout);

  igraph_strvector_init(&names, 0);
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "escaping spaces");
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "escaping \\backslashes\\");
  igraph_strvector_add(&names, "square");
  igraph_strvector_add(&names, "escaping \"quotes\"");
  SETVASV(&g, "shape", &names);
  igraph_strvector_destroy(&names);

  /* save the graph with escaped shapes */
  igraph_write_graph_pajek(&g, stdout);

  /* destroy the graph */
  igraph_destroy(&g);
  return 0;
}
